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#encoding: utf-8
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class GraduationTopic < ActiveRecord::Base
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include Redmine::SafeAttributes
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belongs_to :user
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belongs_to :course
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attr_accessible :user_id, :course_id, :city, :description, :name, :property, :property_two, :province, :repeat, :source, :source_unit, :status, :tea_id, :topic_type, :is_public
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safe_attributes 'city', 'description', 'name', 'property', 'property_two', 'province', 'repeat', 'source', 'source_unit', 'status', 'topic_type'
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# status 0：待选中 1：待确认 2：已确认
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belongs_to :teacher, :class_name => 'User', :foreign_key => :tea_id # 定义一个方法teacher，该方法通过tea_id来调用User表
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has_many :journals_for_messages, :as => :jour, :dependent => :destroy
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has_many :praise_tread, as: :praise_tread_object, dependent: :destroy
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has_one :praise_tread_cache, as: :object, dependent: :destroy
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has_many :student_graduation_topics, :dependent => :destroy
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has_many :course_acts, :class_name => 'CourseActivity',:as =>:course_act ,:dependent => :destroy
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after_create :act_as_course_activity
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acts_as_attachable
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def topic_type_name
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name = ""
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case topic_type
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when 1
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name = "设计"
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when 2
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name = "论文"
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when 3
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name = "创作"
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end
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name
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end
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def source_name
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name = ""
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case source
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when 1
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name = "生产/社会实际"
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when 2
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name = "结合科研"
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when 3
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name = "其它"
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end
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name
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end
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def property_name
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name = ""
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case property
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when 1
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name = "真题"
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when 2
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name = "模拟题"
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end
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name
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end
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def property_two_name
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name = ""
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case property_two
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when 1
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name = "纵向课题"
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when 2
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name = "横向课题"
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when 3
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name = "自选"
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end
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name
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end
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def repeat_name
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name = ""
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case repeat
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when 1
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name = "新题"
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when 2
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name = "往届题，有新要求"
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when 3
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name = "往届题，无新要求"
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end
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name
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end
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#课程动态公共表记录
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def act_as_course_activity
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if self.course
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if self.course_acts.size == 0
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self.course_acts << CourseActivity.new(:user_id => self.user_id,:course_id => self.course_id)
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end
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end
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end
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end
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